Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 73, NWS Austin/San Antonio, TX

May 15, 1997Burnet County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 15, 1997, 7:13 PM CDT for Burnet County, Texas. It was in force for 62 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 15, 1997, 7:13 PM CDT (00:13 UTC)
Expired
May 15, 1997, 8:15 PM CDT
In force
62 min
Issued by
NWS Austin/San Antonio, TX
Area
Whole counties

County Burnet County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 15, 4:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.2 hours before the alert went out and 242 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 1997-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 384 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Worth, TX at 00:00Z on 1997-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
384 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
795 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSAT 160013 RRA
SVRSAT
TXC053-160115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
713 PM CDT THU MAY 15 1997
 
THE NATIONAL WEATHER SERVICE IN AUSTIN/SAN ANTONIO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...BURNET COUNTY
 
AT 710 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED A
SEVERE THUNDERSTORM OVER WESTERN BURNET COUNTY WEST OF
BURNET...MOVING SOUTHWARD AT 15 MPH.
 
THIS STORM HAD THE POTENTIAL OF PRODUCING DAMAGING WINDS
AND HAIL.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OVER 60 MPH.  THESE WINDS
BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES...
SOMETIMES BUILDINGS.  VERY LARGE HAIL CAN INJURE ANYONE CAUGHT
OUTSIDE.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT TO THE POSSIBILITY
OF LARGE HAIL AND DAMAGING WINDS.  FREQUENT LIGHTNING AND LOCALLY
HEAVY RAIN CAN ALSO OCCUR WITH SEVERE THUNDERSTORMS...FLOODING SMALL
STREAMS...LOW AREAS...AND LOW WATER CROSSINGS.
 
IF YOU SEE SEVERE WEATHER TAKING PLACE...CALL YOUR REPORT TO
THE NEAREST LAW ENFORCEMENT AGENCY FOR IMMEDIATE RELAY TO THE
NATIONAL WEATHER SERVICE.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 15, 5:58 PM CDT, 1 hour 15 minutes before
TXZ171>173-183>194-202>209-217>225-228-161200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CDT THU MAY 15 1997

...A SEVERE THUNDERSTORM WARNING IS IN EFFECT TIL 630 PM CDT FOR
FRIO COUNTY...
...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PORTION
OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TIL 11 PM...

THIS EVENING..SCATTERED SEVERE THUNDERSTORMS HAVE ERUPTED OVER
PORTIONS OF SOUTH CENTRAL TEXAS...AND THE HILL COUNTRY.
CONDITIONS REMAIN RIPE FOR FURTHER DEVELOPMENT OF SEVERE THUNDERSTORMS
THIS EVENING..WITH THE MAIN THREAT BEING FROM LARGE HAIL.

REPORTS OF BASEBALL SIZE HAIL HAVE BEEN RECEIVED FROM BULVERDE IN
COMAL COUNTY.  OTHER REPORTS INCLUDE 1 INCH DIAMETER HAIL IN HINDES
IN SOUTHWESTERN ATASCOSA COUNTY. WITHIN METRO SAN ANTONIO..REPORTS
OF QUARTER SIZE HAIL HAVE BEEN RECEIVED FROM LEON VALLEY AS WELL AS
A REPORT OF PEA SIZE HAIL OVER NORTHWEST LOOP 410.

THE HAZARDOUS WEATHER OUTLOOK  WILL NORMALLY BE UPDATED BY MEANS OF
THE ZONE FORECAST...SHORT TERM FORECASTS...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST
HAZARDOUS WEATHER IS NO LONGER EXPECTED.
Special weather statement, May 15, 6:00 PM CDT, 1 hour 13 minutes before
TXZ171>173-183>194-202>209-217>225-228-161200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
600 PM CDT THU MAY 15 1997

...A SEVERE THUNDERSTORM WARNING IS IN EFFECT TIL 630 PM CDT FOR
FRIO COUNTY...
...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PORTION
OF THE HILL COUNTRY AND SOUTH CENTRAL TEXAS TIL 11 PM...

THIS EVENING..SCATTERED SEVERE THUNDERSTORMS HAVE ERUPTED OVER
PORTIONS OF SOUTH CENTRAL TEXAS...AND THE HILL COUNTRY.
CONDITIONS REMAIN RIPE FOR FURTHER DEVELOPMENT OF SEVERE THUNDERSTORMS
THIS EVENING..WITH THE MAIN THREAT BEING FROM LARGE HAIL.

REPORTS OF BASEBALL SIZE HAIL HAVE BEEN RECEIVED FROM BULVERDE IN
COMAL COUNTY.  OTHER REPORTS INCLUDE 1 INCH DIAMETER HAIL IN HINDES
IN SOUTHWESTERN ATASCOSA COUNTY. WITHIN METRO SAN ANTONIO..REPORTS
OF QUARTER SIZE HAIL HAVE BEEN RECEIVED FROM LEON VALLEY AS WELL AS
A REPORT OF PEA SIZE HAIL OVER NORTHWEST LOOP 410.

THE HAZARDOUS WEATHER OUTLOOK  WILL NORMALLY BE UPDATED BY MEANS OF
THE ZONE FORECAST...SHORT TERM FORECASTS...WATCHES...WARNINGS AND
ADVISORIES.  THE HAZARDOUS WEATHER OUTLOOK ITSELF WILL BE UPDATED
ONLY IF UNFORECAST HAZARDOUS WEATHER DEVELOPS OR IF FORECAST
HAZARDOUS WEATHER IS NO LONGER EXPECTED.

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 7:32 PM CDTSevere Thunderstorm WarningEWXHays58 min
May 15, 7:53 PM CDTSevere Thunderstorm WarningEWXKarnes67 min
May 15, 8:05 PM CDTSevere Thunderstorm WarningEWXGuadalupe55 min
May 15, 11:24 PM CDTFlash Flood WarningEWXLavaca2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.